Finding the Fourth Proportional to 36,539,285.30, 54,821,164.16 and 11,948,345.98
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Solution
The fourth proportional to 36,539,285.30, 54,821,164.16 and 11,948,345.98 is: 17,926,520.21
Step by Step Solution
- Step 1: Write the proportion equation
36,539,285.30 : 54,821,164.16 = 11,948,345.98 : x - Step 2: Convert to fraction form
36,539,285.30/54,821,164.16 = 11,948,345.98/x - Step 3: Cross multiply
36,539,285.30x = 54,821,164.16 × 11,948,345.98 - Step 4: Simplify right side
36,539,285.30x = 655,022,236,410,056 - Step 5: Solve for x
x = 655,022,236,410,056/36,539,285.30 - Step 6: Final answer
x = 17,926,520.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.